Which of the following has no real roots
Asked by admin @ in Math viewed by 374 People
Which of the following quadratic equations do not have real roots
Asked by admin @ in Math viewed by 374 People
Which of the following quadratic equations do not have real roots
Answered by admin @
Answer:
A quadratic equation, ax2 + bx + c = 0; a ≠ 0 will have two distinct real roots if its discriminant, D = b2 - 4ac > 0. Hence, the equation x2 –3x + 4 = 0 has no real roots. Hence, the equation 2x2 + x – 1 = 0 has two distinct real roots. Hence, the equation 3x2 – 4x + 1 = 0 has two distinct real roots.
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